| http://www.w3.org/ns/prov#value | - They may be aliphatic, cycloaliphatic, aromatic, or alkylaromatic esters of the stilbene dicarboxylic acids, for instance, alkyl esters such as methyl, ethyl, propyl, butyl, amyl, hexyl, heptyl and octyl stilbene dicarboxylates or cycloaliphatic, aryl and alkaryl esters derived from cyclopropyl carbinol, cyclobutanol, cyclopentanol, cyclohexanol, phenol, cresols, benzyl alcohol, and the like.
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